Rolf Ludvigsen - Publications

Geology University of Toronto, Toronto, ON, Canada 

14 high-probability publications. We are testing a new system for linking publications to authors. You can help! If you notice any inaccuracies, please sign in and mark papers as correct or incorrect matches. If you identify any major omissions or other inaccuracies in the publication list, please let us know.

Year Citation  Score
1998 Chatterton BDE, Ludvigsen R. Upper Steptoean (Upper Cambrian) Trilobites from the Mckay Group of Southeastern British Columbia, Canada Journal of Paleontology. 72: 1-43. DOI: 10.1017/S0022336000059941  0.308
1996 Westrop SR, Ludvigsen R, Kindle CH. Marjuman (Cambrian) agnostoid trilobites of the Cow Head Group, western Newfoundland Journal of Paleontology. 70: 804-829. DOI: 10.1017/S0022336000023854  0.6
1991 Ludvigsen R, Chatterton BDE. The peculiar Ordovician trilobite Hypodicranotus from the Whittaker Formation, District of Mackenzie Canadian Journal of Earth Sciences. 28: 616-622. DOI: 10.1139/E91-053  0.311
1987 Ludvigsen R. Reef trilobites from the Formosa Limestone (Lower Devonian) of southern Ontario Canadian Journal of Earth Sciences. 24: 676-688. DOI: 10.1139/E87-066  0.457
1987 Westrop SR, Ludvigsen R. Biogeographic control of trilobite mass extinction at an Upper Cambrian “biomere” boundary Paleobiology. 13: 84-99. DOI: 10.1017/S0094837300008605  0.63
1986 Ludvigsen R, Westrop SR. Classification of the Late Cambrian trilobite Idiomesus Raymond Canadian Journal of Earth Sciences. 23: 300-307. DOI: 10.1139/E86-033  0.611
1986 Westrop SR, Ludvigsen R. Type species of the basal Ibexian trilobite Corbinia Walcott, 1924 Journal of Paleontology. 60: 68-75. DOI: 10.1017/S0022336000021521  0.593
1986 Ludvigsen R. Revision of Acheilus and Theodenisia (Late Cambrian, Trilobita) Journal of Paleontology. 60: 61-67. DOI: 10.1017/S002233600002151X  0.451
1985 Ludvigsen R, Westrop SR. Comments and Replies on “Three new Upper Cambrian stages for North America” Geology. 13: 667. DOI: 10.1130/0091-7613(1985)13<667:Carotn>2.0.Co;2  0.612
1985 Ludvigsen R, Westrop SR. Three new Upper Cambrian stages for North America Geology. 13: 139. DOI: 10.1130/0091-7613(1985)13<139:Tnucsf>2.0.Co;2  0.624
1983 Ludvigsen R, Westrop SR. Trilobite biofacies of the Cambrian-Ordovician boundary interval in northern North America Alcheringa: An Australasian Journal of Palaeontology. 7: 301-319. DOI: 10.1080/03115518308619614  0.603
1983 Ludvigsen R, Tuffnell PA. A revision of the Ordovician olenid trilobite Triarthrus Green Geological Magazine. 120: 567-577. DOI: 10.1017/S0016756800027722  0.415
1982 Ludvigsen R, Chatterton BDE. Ordovician Pterygometopidae (Trilobita) of North America Canadian Journal of Earth Sciences. 19: 2179-2206. DOI: 10.1139/E82-192  0.321
1980 Ludvigsen R, Chatterton BDE. The ontogeny of Failleana and the origin of the Bumastinae (Trilobita) Geological Magazine. 117: 471-478. DOI: 10.1017/S0016756800028582  0.333
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